Because you like Bill Cipher in Gravity Falls

A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Hannah Baker is a buoyant spirit broken by the cruelties of high school. See them in Thirteen Reasons Why .

Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.

Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.

Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.

A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.

An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.